Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
977291911Composite: 2 known prime factors
Factored
FactorDigitsBitsDate
2661068144461911547.92008-06-02 06:09:59
22893294535628715911961.02015-12-23 16:23:03
History
DateUserTypeResult
2015-12-23ConductorF
Factor: 2289329453562871591 / TF: 1-62